Markings: Contact San Antonio laser
LPK: start collecting HK parts or use an AR LPK
Barrel: Nefarious Arms
Are you going for ol skewl 416 or more modern? This could effect your handguard, stock, grip, ejection port cover choices. Do you want a CAG clone tannodized or regular black?
A lot of options so I would start with what you want it to look like.
Black is my thing, I like Geisselle triggers and hand rails.
I like the HK slim stock and HK grip.
I guess the 416 is supposed to be 10.5”? Not a 14.5”?
So I need to do some paperwork? Do I “have” to put my trust name on it?
No not absolute on 10.4, there are 14.5s. Yes you will be required to have a tax stamp for an SBR (bbl less than 16 inches or rifle with an OAL under 26 inches). Yes you will be required to mark the receiver with your info whether it be trust or individual. I mark mine in the trigger well as that is one of the more inconspicuous spots. There are minimum NFA marking requirements that you should research.